40X - 1000X Binocular Phase Contrast Microscopy for Laboratory , A19.1008-40 Features --40x Phase Contrast Function Included --WF10x/18mm Wide Field ....
Infinity Plan Phase Contrast Microscope with Kohler 3W LED Illumination A19.0907 --Compact Design For Appearance And Structure, with Infinity Color .....
6V20W Illumination Phase Contrast Microscopy Infinity System with Plan Objective A19.0906 --Compact Design For Appearance And Structure, with Infinity ...